Intangible Assets (Schedule of identifiable intangible assets other than goodwill) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	$ 7,705,000	$ 7,705,000
Additions	0	0
Disposals	0	(0)
Gross carrying amount, ending	7,705,000	7,705,000
Accumulated Amortization, beginning	3,464,275	2,776,125
Additions	622,450	688,150
Disposals	0	0
Accumulated Amortization, ending	4,086,725	3,464,275
Net book value	3,618,275	4,240,725
Non-compete compete [Member]
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	438,000	438,000
Additions	0	0
Disposals	0	(0)
Gross carrying amount, ending	438,000	438,000
Accumulated Amortization, beginning	433,850	364,000
Additions	4,150	69,850
Disposals	0	0
Accumulated Amortization, ending	438,000	433,850
Net book value	0	4,150
Customer relationships [Member]
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	6,183,000	6,183,000
Additions	0	0
Disposals	0	(0)
Gross carrying amount, ending	6,183,000	6,183,000
Accumulated Amortization, beginning	3,030,425	2,412,125
Additions	618,300	618,300
Disposals	0	0
Accumulated Amortization, ending	3,648,725	3,030,425
Net book value	2,534,275	3,152,575
Trade name - indefinite life [Member]
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	1,084,000	1,084,000
Additions	0	0
Disposals	0	0
Gross carrying amount, ending	1,084,000	1,084,000
Accumulated Amortization, beginning	0	0
Additions	0	0
Disposals	0	0
Accumulated Amortization, ending	0	0
Net book value	$ 1,084,000	$ 1,084,000